Ken paid $12 for two magazines. the cost of each magazine was a multiple of $3.what are the possible prices of the magazines?

Empty box + box + empty box fill in the box is equal to 30 how

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?